var z_con1=document.querySelector('#z_con1');
		var z_con2=document.querySelector('#z_con2');
		
		
		
		
		
		var z_list1=document.querySelectorAll('#z_ul1>li');
		var z_div1=document.querySelectorAll('#z_con1>div');
		
		
		
			for (var i=0;i<z_list1.length;i++) {
				z_list1[i].index=i;
				z_list1[i].onclick=function(){
					z_con1.style.display= 'block'
					z_con2.style.display= 'none'
					z_con.style.display= 'none'
					for (var i=0;i<z_list1.length;i++) {
						z_list1[i].className='';
						z_div1[i].style.display='none';
					}
					for(var i=0;i<z_list2.length;i++){
							z_list2[i].className=''
						}
					this.className='active'
					z_div1[this.index].style.display='block';	
				}
				
			}
			
			
			
			
			
			
			
			
			
			
		var z_list2=document.querySelectorAll('#z_ul2>li');
		var z_div2=document.querySelectorAll('#z_con2>div');
		
		
			for (var i=0;i<z_list2.length;i++) {
				z_list2[i].index=i;
				z_list2[i].onclick=function(){
					z_con1.style.display= 'none'
					z_con2.style.display= 'block'
					z_con.style.display= 'none'
					for (var i=0;i<z_list2.length;i++) {
						z_list2[i].className='';
						z_div2[i].style.display='none';
						
						
						
					}
					for(var i=0;i<z_list1.length;i++){
							z_list1[i].className=''
						}
					this.className='active'
					z_div2[this.index].style.display='block';	
				}
				
			}
			
			
		/*1*/
		var z_list3_1=document.querySelectorAll('#z_left1>ul>li');
		var z_div3_1=document.querySelectorAll('#z_right1>iframe');
			for (var i=0;i<z_list3_1.length;i++) {
				z_list3_1[i].index=i;
				z_list3_1[i].onclick=function(){
					for (var i=0;i<z_list3_1.length;i++) {
						z_list3_1[i].className='';
						z_div3_1[i].style.display='none';
					}
					this.className='active2'
					z_div3_1[this.index].style.display='block';	
				}
				
			}
		/*2*/
		var z_list3_2=document.querySelectorAll('#z_left2>ul>li');
		var z_div3_2=document.querySelectorAll('#z_right2>iframe');
			for (var i=0;i<z_list3_2.length;i++) {
				z_list3_2[i].index=i;
				z_list3_2[i].onclick=function(){
					for (var i=0;i<z_list3_2.length;i++) {
						z_list3_2[i].className='';
						z_div3_2[i].style.display='none';
					}
					this.className='active2'
					z_div3_2[this.index].style.display='block';	
				}
				
			}
		/*3*/
		var z_list3_3=document.querySelectorAll('#z_left3>ul>li');
		var z_div3_3=document.querySelectorAll('#z_right3>iframe');
			for (var i=0;i<z_list3_3.length;i++) {
				z_list3_3[i].index=i;
				z_list3_3[i].onclick=function(){
					for (var i=0;i<z_list3_3.length;i++) {
						z_list3_3[i].className='';
						z_div3_3[i].style.display='none';
					}
					this.className='active2'
					z_div3_3[this.index].style.display='block';	
				}
				
			}
		/*4*/
		var z_list3_4=document.querySelectorAll('#z_left4>ul>li');
		var z_div3_4=document.querySelectorAll('#z_right4>iframe');
			for (var i=0;i<z_list3_4.length;i++) {
				z_list3_4[i].index=i;
				z_list3_4[i].onclick=function(){
					for (var i=0;i<z_list3_4.length;i++) {
						z_list3_4[i].className='';
						z_div3_4[i].style.display='none';
					}
					this.className='active2'
					z_div3_4[this.index].style.display='block';	
				}
				
			}
